object ZTransducer extends ZTransducerPlatformSpecificConstructors
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final
def
!=(arg0: Any): Boolean
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final
def
##(): Int
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final
def
==(arg0: Any): Boolean
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def
apply[I]: ZTransducer[Any, Nothing, I, I]
Shorthand form for ZTransducer.identity.
Shorthand form for ZTransducer.identity. Use as:
ZTransducer[Int].filter(_ % 2 != 0)
- def apply[R, E, I, O](push: ZManaged[R, Nothing, (Option[Chunk[I]]) ⇒ ZIO[R, E, Chunk[O]]]): ZTransducer[R, E, I, O]
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final
def
asInstanceOf[T0]: T0
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def
branchAfter[R, E, I, O](n: Int)(f: (Chunk[I]) ⇒ ZTransducer[R, E, I, O]): ZTransducer[R, E, I, O]
Reads the first n values from the stream and uses them to choose the transducer that will be used for the remainder of the stream.
Reads the first n values from the stream and uses them to choose the transducer that will be used for the remainder of the stream. If the stream ends before it has collected n values the partial chunk will be provided to f.
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def
clone(): AnyRef
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def
collectAllN[I](n: Int): ZTransducer[Any, Nothing, I, Chunk[I]]
Creates a transducer accumulating incoming values into chunks of maximum size
n. -
def
collectAllToMapN[K, I](n: Long)(key: (I) ⇒ K)(f: (I, I) ⇒ I): ZTransducer[Any, Nothing, I, Map[K, I]]
Creates a transducer accumulating incoming values into maps of up to
nkeys.Creates a transducer accumulating incoming values into maps of up to
nkeys. Elements are mapped to keys using the functionkey; elements mapped to the same key will be merged with the functionf. -
def
collectAllToSetN[I](n: Long): ZTransducer[Any, Nothing, I, Set[I]]
Creates a transducer accumulating incoming values into sets of maximum size
n. -
def
collectAllWhile[I](p: (I) ⇒ Boolean): ZTransducer[Any, Nothing, I, List[I]]
Accumulates incoming elements into a chunk as long as they verify predicate
p. -
def
collectAllWhileM[R, E, I](p: (I) ⇒ ZIO[R, E, Boolean]): ZTransducer[R, E, I, List[I]]
Accumulates incoming elements into a chunk as long as they verify effectful predicate
p. -
def
deflate(bufferSize: Int = 64 * 1024, noWrap: Boolean = false, level: CompressionLevel = CompressionLevel.DefaultCompression, strategy: CompressionStrategy = CompressionStrategy.DefaultStrategy, flushMode: FlushMode = FlushMode.NoFlush): ZTransducer[Any, Nothing, Byte, Byte]
Compresses stream with 'deflate' method described in https://tools.ietf.org/html/rfc1951.
Compresses stream with 'deflate' method described in https://tools.ietf.org/html/rfc1951. Each incoming chunk is compressed at once, so it can utilize thread for long time if chunks are big.
- bufferSize
Size of internal buffer used for pulling data from deflater, affects performance.
- noWrap
Whether output stream is wrapped in ZLIB header and trailer. For HTTP 'deflate' content-encoding should be false, see https://tools.ietf.org/html/rfc2616.
- Definition Classes
- ZTransducerPlatformSpecificConstructors
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def
die(e: ⇒ Throwable): ZTransducer[Any, Nothing, Any, Nothing]
Creates a transducer that always dies with the specified exception.
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def
dropWhile[I](p: (I) ⇒ Boolean): ZTransducer[Any, Nothing, I, I]
Creates a transducer that starts consuming values as soon as one fails the predicate
p. -
def
dropWhileM[R, E, I](p: (I) ⇒ ZIO[R, E, Boolean]): ZTransducer[R, E, I, I]
Creates a transducer that starts consuming values as soon as one fails the effectful predicate
p. -
final
def
eq(arg0: AnyRef): Boolean
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def
equals(arg0: Any): Boolean
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def
fail[E](e: ⇒ E): ZTransducer[Any, E, Any, Nothing]
Creates a transducer that always fails with the specified failure.
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def
finalize(): Unit
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- @throws( classOf[java.lang.Throwable] )
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def
fold[I, O](z: O)(contFn: (O) ⇒ Boolean)(f: (O, I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer by folding over a structure of type
Ofor as long ascontFnresults intrue.Creates a transducer by folding over a structure of type
Ofor as long ascontFnresults intrue. The transducer will emit a value whencontFnevaluates tofalseand then restart the folding. -
def
foldLeft[I, O](z: O)(f: (O, I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer by folding over a structure of type
O.Creates a transducer by folding over a structure of type
O. The transducer will fold the inputs until the stream ends, resulting in a stream with one element. -
def
foldLeftM[R, E, I, O](z: O)(f: (O, I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a transducer by effectfully folding over a structure of type
O.Creates a transducer by effectfully folding over a structure of type
O. The transducer will fold the inputs until the stream ends, resulting in a stream with one element. -
def
foldM[R, E, I, O](z: O)(contFn: (O) ⇒ Boolean)(f: (O, I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a sink by effectfully folding over a structure of type
S. -
def
foldUntil[I, O](z: O, max: Long)(f: (O, I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer that folds elements of type
Iinto a structure of typeOuntilmaxelements have been folded.Creates a transducer that folds elements of type
Iinto a structure of typeOuntilmaxelements have been folded.Like foldWeighted, but with a constant cost function of 1.
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def
foldUntilM[R, E, I, O](z: O, max: Long)(f: (O, I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a transducer that effectfully folds elements of type
Iinto a structure of typeOuntilmaxelements have been folded.Creates a transducer that effectfully folds elements of type
Iinto a structure of typeOuntilmaxelements have been folded.Like foldWeightedM, but with a constant cost function of 1.
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def
foldWeighted[I, O](z: O)(costFn: (O, I) ⇒ Long, max: Long)(f: (O, I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer that folds elements of type
Iinto a structure of typeO, untilmaxworth of elements (determined by thecostFn) have been folded.Creates a transducer that folds elements of type
Iinto a structure of typeO, untilmaxworth of elements (determined by thecostFn) have been folded.- Note
Elements that have an individual cost larger than
maxwill force the transducer to cross themaxcost. See foldWeightedDecompose for a variant that can handle these cases.
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def
foldWeightedDecompose[I, O](z: O)(costFn: (O, I) ⇒ Long, max: Long, decompose: (I) ⇒ Chunk[I])(f: (O, I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer that folds elements of type
Iinto a structure of typeO, untilmaxworth of elements (determined by thecostFn) have been folded.Creates a transducer that folds elements of type
Iinto a structure of typeO, untilmaxworth of elements (determined by thecostFn) have been folded.The
decomposefunction will be used for decomposing elements that cause anOaggregate to crossmaxinto smaller elements. For example:Stream(1, 5, 1) .aggregate( ZTransducer .foldWeightedDecompose(List[Int]())((i: Int) => i.toLong, 4, (i: Int) => Chunk(i - 1, 1)) { (acc, el) => el :: acc } .map(_.reverse) ) .runCollect
The stream would emit the elements
List(1), List(4), List(1, 1).Be vigilant with this function, it has to generate "simpler" values or the fold may never end. A value is considered indivisible if
decomposeyields the empty chunk or a single-valued chunk. In these cases, there is no other choice than to yield a value that will cross the threshold.The foldWeightedDecomposeM allows the decompose function to return a
ZIOvalue, and consequently it allows the transducer to fail. -
def
foldWeightedDecomposeM[R, E, I, O](z: O)(costFn: (O, I) ⇒ ZIO[R, E, Long], max: Long, decompose: (I) ⇒ ZIO[R, E, Chunk[I]])(f: (O, I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a transducer that effectfully folds elements of type
Iinto a structure of typeS, untilmaxworth of elements (determined by thecostFn) have been folded.Creates a transducer that effectfully folds elements of type
Iinto a structure of typeS, untilmaxworth of elements (determined by thecostFn) have been folded.The
decomposefunction will be used for decomposing elements that cause anSaggregate to crossmaxinto smaller elements. Be vigilant with this function, it has to generate "simpler" values or the fold may never end. A value is considered indivisible ifdecomposeyields the empty chunk or a single-valued chunk. In these cases, there is no other choice than to yield a value that will cross the threshold.See foldWeightedDecompose for an example.
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def
foldWeightedM[R, E, I, O](z: O)(costFn: (O, I) ⇒ ZIO[R, E, Long], max: Long)(f: (O, I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a transducer that effectfully folds elements of type
Iinto a structure of typeS, untilmaxworth of elements (determined by thecostFn) have been folded.Creates a transducer that effectfully folds elements of type
Iinto a structure of typeS, untilmaxworth of elements (determined by thecostFn) have been folded.- Note
Elements that have an individual cost larger than
maxwill force the transducer to cross themaxcost. See foldWeightedDecomposeM for a variant that can handle these cases.
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def
fromEffect[R, E, A](zio: ZIO[R, E, A]): ZTransducer[R, E, Any, A]
Creates a transducer that always evaluates the specified effect.
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def
fromFunction[I, O](f: (I) ⇒ O): ZTransducer[Any, Nothing, I, O]
Creates a transducer that purely transforms incoming values.
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def
fromFunctionM[R, E, I, O](f: (I) ⇒ ZIO[R, E, O]): ZTransducer[R, E, I, O]
Creates a transducer that effectfully transforms incoming values.
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def
fromPush[R, E, I, O](push: (Option[Chunk[I]]) ⇒ ZIO[R, E, Chunk[O]]): ZTransducer[R, E, I, O]
Creates a transducer from a chunk processing function.
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final
def
getClass(): Class[_]
- Definition Classes
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- @native()
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def
gunzip(bufferSize: Int = 64 * 1024): ZTransducer[Any, CompressionException, Byte, Byte]
Decompresses gzipped stream.
Decompresses gzipped stream. Compression method is described in https://tools.ietf.org/html/rfc1952.
- bufferSize
Size of buffer used internally, affects performance.
- Definition Classes
- ZTransducerPlatformSpecificConstructors
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def
gzip(bufferSize: Int = 64 * 1024, level: CompressionLevel = CompressionLevel.DefaultCompression, strategy: CompressionStrategy = CompressionStrategy.DefaultStrategy, flushMode: FlushMode = FlushMode.NoFlush): ZTransducer[Any, Nothing, Byte, Byte]
- bufferSize
Size of buffer used internally, affects performance.
- Definition Classes
- ZTransducerPlatformSpecificConstructors
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def
hashCode(): Int
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def
head[O]: ZTransducer[Any, Nothing, O, Option[O]]
Creates a transducer that returns the first element of the stream, if it exists.
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def
identity[I]: ZTransducer[Any, Nothing, I, I]
The identity transducer.
The identity transducer. Passes elements through.
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def
inflate(bufferSize: Int = 64 * 1024, noWrap: Boolean = false): ZTransducer[Any, CompressionException, Byte, Byte]
Decompresses deflated stream.
Decompresses deflated stream. Compression method is described in https://tools.ietf.org/html/rfc1951.
- bufferSize
Size of buffer used internally, affects performance.
- noWrap
Whether is wrapped in ZLIB header and trailer, see https://tools.ietf.org/html/rfc1951. For HTTP 'deflate' content-encoding should be false, see https://tools.ietf.org/html/rfc2616.
- Definition Classes
- ZTransducerPlatformSpecificConstructors
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final
def
isInstanceOf[T0]: Boolean
- Definition Classes
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val
iso_8859_1Decode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of ISO/IEC 8859-1 bytes into strings.
Decodes chunks of ISO/IEC 8859-1 bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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def
last[O]: ZTransducer[Any, Nothing, O, Option[O]]
Creates a transducer that returns the last element of the stream, if it exists.
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final
def
ne(arg0: AnyRef): Boolean
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final
def
notify(): Unit
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- @native()
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final
def
notifyAll(): Unit
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def
prepend[A](values: Chunk[A]): ZTransducer[Any, Nothing, A, A]
Emits the provided chunk before emitting any other value.
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val
splitLines: ZTransducer[Any, Nothing, String, String]
Splits strings on newlines.
Splits strings on newlines. Handles both Windows newlines (
\r\n) and UNIX newlines (\n). -
def
splitOn(delimiter: String): ZTransducer[Any, Nothing, String, String]
Splits strings on a delimiter.
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def
splitOnChunk[A](delimiter: Chunk[A]): ZTransducer[Any, Nothing, A, Chunk[A]]
Splits elements on a delimiter and transforms the splits into desired output.
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final
def
synchronized[T0](arg0: ⇒ T0): T0
- Definition Classes
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def
toString(): String
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val
usASCIIDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of US-ASCII bytes into strings.
Decodes chunks of US-ASCII bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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val
utf16BEDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-16BE bytes into strings.
Decodes chunks of UTF-16BE bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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val
utf16Decode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-16 bytes into strings.
Decodes chunks of UTF-16 bytes into strings. If no byte order mark is found big-endianness is assumed.
This transducer uses the endisn-specific String constructor's behavior when handling malformed byte sequences.
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val
utf16LEDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-16LE bytes into strings.
Decodes chunks of UTF-16LE bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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lazy val
utf32BEDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-32BE bytes into strings.
Decodes chunks of UTF-32BE bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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lazy val
utf32Decode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-32 bytes into strings.
Decodes chunks of UTF-32 bytes into strings. If no byte order mark is found big-endianness is assumed.
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lazy val
utf32LEDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-32LE bytes into strings.
Decodes chunks of UTF-32LE bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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val
utf8Decode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of UTF-8 bytes into strings.
Decodes chunks of UTF-8 bytes into strings.
This transducer uses the String constructor's behavior when handling malformed byte sequences.
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val
utfDecode: ZTransducer[Any, Nothing, Byte, String]
Decodes chunks of Unicode bytes into strings.
Decodes chunks of Unicode bytes into strings.
Detects byte order marks for UTF-8, UTF-16BE, UTF-16LE, UTF-32BE, UTF-32LE or defaults to UTF-8 if no BOM is detected.
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final
def
wait(): Unit
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final
def
wait(arg0: Long, arg1: Int): Unit
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final
def
wait(arg0: Long): Unit
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- object Push